Nextcloud: Information disclosure in Nextcloud Approval app via fileId parameter reveals workflow associations
Priority LOW 15CWE-200Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-200.
Summary
Nextcloud is an open source content collaboration platform. Prior to version 2.7.2, authenticated users can check if arbitrary files are associated with specific approval workflows where they can request approval. This issue has been patched in version 2.7.2.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0013 2nd percentileScored 2026-11-07
Fix Fixed security-advisories (nextcloud): 2.7.2
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA security-advisories (nextcloud) Fixed in 2.7.2
Timeline
- 2026-10-02 Threatist record created from CVE-2026-45277
References
More nextcloud Approval vulnerabilities
- TI-2026-33077 Nextcloud: Authorization bypass in approval feature allows unauthorized file sharing with approvers CVSS 3.1MEDIUM 6.5
- TI-2025-40937 Nextcloud Approval app allows users to request approval for other users file CVSS 3.1LOW 2.7
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences